Read the latest insights, lab guides, and teaching strategies in Applied Chemistry Education. Discover how to enhance hands-on learning in the laboratory.
Learn the essential safety steps for acid digestion of organic scale, including sulfuric acid fuming and preventing nitric acid explosions.
Master the gravimetric procedure for separating lead from copper using sulfide precipitation, acid digestion, and alcohol-ice filtration.
Master the two-aliquot titration method to accurately determine iron and vanadium content in thermal and water treatment pilot plant scale.
Discover how perchloric acid fuming eliminates nitric acid interference in Jones reductor workflows, ensuring accurate redox titration results.
Learn to separate molybdenum from vanadium in pilot plant streams using alpha-benzoinoxime and critical vanadium (+4) reduction.
Learn why slow, dropwise addition of cupferron is critical to prevent filter blinding and ensure accurate chemical engineering lab analysis.
A step-by-step guide to isolating and quantifying chromium, vanadium, and iron from post-HF residues in pilot plant analysis.
Learn how magnesium biases gravimetric silica determination in water treatment scales and how to apply the mathematical correction for accurate results.
Learn critical safety and operational rules for silica volatilization with HF to prevent spattering and ensure analytical accuracy.
Discover why educational labs prefer the cupferron precipitation method over toxic hydrogen sulfide for safe, efficient scale deposit analysis.
Discover why dropwise cupferron addition is critical to avoid gummy precipitates and ensure accurate metal separation in lab training.
Learn the essential precautions for volatilizing silica with hydrofluoric acid to prevent sample loss and ensure accurate gravimetric analysis.
Learn how magnesium interferes with gravimetric silica determination in water treatment and how to apply the MgO-to-MgSO4 correction formula.
Discover why standard Pyrex fails in scale deposit analysis and how Vycor® or platinum ware ensures accurate, contamination-free metal recovery.
Learn the essential safety protocols and dual-acid procedures for using perchloric acid to safely dissolve resistant carbonaceous deposits.
Discover why phosphoric acid and H2O2 are critical in wet acid digestion to dissolve tough metal oxides and eliminate organic residues.
Learn why omitting loss on ignition (LOI) in furnace sample prep preserves sample integrity and ensures accurate chemical engineering analysis.
Discover why wet acid digestion is preferred over carbonate fusion for scale analysis in chemical engineering & water treatment pilot plants.
Discover the standard 4-step protocol for treating industrial scale samples before inorganic analysis to eliminate organic interference.
Learn how HCl evaporation causes tin loss through volatilization and discover safe digestion methods for accurate scale analysis.
Protect platinum crucibles from silver and tin damage. Learn essential ammonia wash and chemical oxidation steps for scale analysis.
Discover why labs omit loss on ignition (LOI) in scale analysis and the best non-destructive analytical alternatives to preserve samples.
Master the 3-step prep method (drying, de-trashing, Soxhlet extraction) to isolate inorganic scale from oily boiler deposits for accurate analysis.
Discover why preliminary sample treatment (drying & extraction) is vital for pilot plant analysis and how to train students effectively.
Discover how tin and titanium impurities cause false gravimetric silica results in phosphoric acid media and how to prevent analytical errors.
Learn how to titrate phosphoric acid cleaning solutions and mask metallic interferences using fluoride in pilot plant maintenance.
Learn how to accurately measure active acid in spent cleaning solutions by masking metal impurities with fluoride for precise pilot plant titration.
Master pH configuration and calibration in high-pH caustic sulfide streams. Avoid sodium error and electrode degradation in pilot plants.
Learn why traditional spent caustic titrations fail in water treatment pilot plants and how pH-based correction delivers accurate mass balances.
Learn how to use conditional mass balance and titration data to calculate NaOH, Na2S, and NaHS distribution in spent scrubber pilot plants.
Master the potentiometric titration method with silver nitrate to analyze and measure sulfides and mercaptides in spent caustic solutions.
Learn how to rapidly estimate free NaOH in alkaline scrubbing solutions using a precipitation-titration method to ensure optimal scrubber performance.
Learn how to analyze spent caustic scrubber solutions using double-indicator and potentiometric titration methods in gas scrubbing pilot plants.
Learn how to guide students through sequential iodometric titration to evaluate wastewater pilot plant oxidation efficiency.
Learn why the Schulek method delivers accurate polysulfide data over gravimetric precipitation in HCN absorption pilot plant experiments.
Learn how adding paper pulp prevents electrode fouling, ensuring accurate potentiometric determination of sulfide and cyanide in water analysis.
Learn how to use initial potential readings to quickly determine the correct sample size for potentiometric titration of sulfide and cyanide.
Learn why thiosulfate, thiocyanate, and chloride do not interfere with silver nitrate titration of sulfide and cyanide in water treatment.
Learn how to simultaneously determine sulfide and cyanide in effluent via sequential potentiometric titration. Master key steps and limitations.
Learn how to use the conductivity balance method to verify boiler water chemical analyses and improve data accuracy in water treatment pilot plants.
Discover how to formulate a stable Nessler’s reagent for ammonia analysis by managing the 10:1 hydroxide-to-mercury ratio and 5% iodide excess.
Discover why alkaline samples cause false-low cation readings in ion exchange columns and how to resolve this with pre-neutralization.
Learn how to differentiate orthophosphate from polyphosphate in cooling water using precise temperature control and timed colorimetric analysis.
Learn how the sodium diethyldithiocarbamate colorimetric method tracks copper corrosion in pilot plant cooling systems.
Learn how to eliminate nitrite and copper interferences in chromate titrations using sulfamic acid and alkaline precipitation for accurate results.
Learn how to eliminate iron and copper interferences in volumetric chromate analysis for water treatment training systems.
Discover why potentiometric titration is preferred for pilot plant chloride testing and how to eliminate common chemical interferences.
Compare potentiometric titration and the Mohr method for chloride analysis in water treatment. Learn the key benefits and electrode setup.
Learn how to resolve sulfite and polyphosphate interferences in aluminum determination for water treatment and chemical engineering pilot plants.
Discover the dual signal anomalies—positive restart spikes and low concentrations—used to diagnose reduced flow in stopped-flow FIA channels.
Identify and troubleshoot critical faults in multi-channel FIA systems for bioprocess pilot plants. Ensure clean data and maximize system uptime.
Learn why optimizing PLS factors prevents overfitting and ensures accurate, reliable real-time NIR monitoring of amino acids in pilot plants.
Compare optical FRET-based sensors and glass electrodes for pH/CO2 monitoring. Learn why FRET offers lower maintenance and faster response.
Learn the advantages of Laccase-GDH biosensors over HPLC for rapid, prep-free catecholamine detection in bioprocess research.
Discover how solvent matrix choice impacts electrochemical sensor sensitivity and calibration in chemical engineering and biotech pilot plants.
Learn how to eliminate dissolved oxygen interference in bioprocess pilot systems using selective electrochemical H2O2 detection at -0.05 V.
Optimize polymer-modified glassy carbon electrodes by limiting electropolymerization scans to prevent charge transfer limitations in bioprocessing.
Learn how to configure poly(AMFc) electrodes in a 90/10 solvent matrix for sensitive, interference-free H2O2 detection in organic reaction streams.
Learn how pH impacts H2O2 detection using poly(anilinomethylferrocene) electrodes and how to balance polymer conductivity with enzyme activity.
Discover how reagentless acoustic-wave detectors simplify liquid chromatography training by eliminating reagents and reducing system complexity.
Discover the major limitations of post-column enzyme reactors and fluorescence detection, including product loss and process complexity.